CN104590783B - A kind of for eliminate ore storage bin block help flow nozzle - Google Patents

A kind of for eliminate ore storage bin block help flow nozzle Download PDF

Info

Publication number
CN104590783B
CN104590783B CN201510009786.8A CN201510009786A CN104590783B CN 104590783 B CN104590783 B CN 104590783B CN 201510009786 A CN201510009786 A CN 201510009786A CN 104590783 B CN104590783 B CN 104590783B
Authority
CN
China
Prior art keywords
storage bin
ore storage
steel pipe
ore
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510009786.8A
Other languages
Chinese (zh)
Other versions
CN104590783A (en
Inventor
吉万健
章林
汪为平
吴佑俭
刘健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinosteel Maanshan General Institute of Mining Research Co Ltd
Original Assignee
Sinosteel Maanshan Institute of Mining Research Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinosteel Maanshan Institute of Mining Research Co Ltd filed Critical Sinosteel Maanshan Institute of Mining Research Co Ltd
Priority to CN201510009786.8A priority Critical patent/CN104590783B/en
Publication of CN104590783A publication Critical patent/CN104590783A/en
Application granted granted Critical
Publication of CN104590783B publication Critical patent/CN104590783B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/54Large containers characterised by means facilitating filling or emptying
    • B65D88/64Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/70Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
    • B65D88/706Aerating means, e.g. one-way check valves

Abstract

The invention discloses a kind of for eliminate ore storage bin blocking help flow nozzle, be to be linked in sequence constituted by admission line device of calming the anger, pipeline deviator, injection apparatus.Injection apparatus is made up of cross transition steel pipe (18), injection elbow (26) welding, and injection elbow (26) extend into ore storage bin, and this is internal.It is possibly together with dismounting sewage disposal apparatus, and described dismounting sewage disposal apparatus contains smashs bar (17) to pieces, smashs bar (17) to pieces and is arranged on the end of cross transition steel pipe (18) and is inserted into cross transition steel pipe (18), the inside of injection elbow (26).The horizontal air inlet steel pipe (1) of described admission line device of calming the anger is welded on helps on stream main pipeline along ore storage bin body four sides around arrange, and rated pressure is maintained at 0.7 1.0MPa scope.The present invention can efficiently solve material and glue wall and a blocking difficult problem, simple in construction, be convenient to process and mount, the particular advantages such as dependable performance, length in service life, can be designed with in the ore dressing plant in all kinds of mines ore storage storehouse is extensively applied.

Description

A kind of for eliminate ore storage bin block help flow nozzle
Technical field
The present invention relates to a kind of clear plug device of ore storage bin, belong to ore dressing accessory machinery field, be specifically related to a kind of ore storage bin The clear nozzle filling in machine, extensively can apply in the storage warehouse in the ore dressing plant in all kinds of mines.
Background technology
The ore dressing plant in all kinds of mine of China is designed with ore storage storehouse, is used for regulating production procedure, distribution ore enters routing Footpath, regulate into ore dressing amount, equilibrium ore dressing process.After ore puts in storage, aqueous due to ore (mainly powder ore material) The factor such as rate height, granularity inequality, surface texture difference, causes ore to increase with the frictional force of ore storage bin bulkhead, thus ore can not Slip out ore storage bin under self gravitation effect, cause ore storage bin to glue wall blocking.It simultaneously because the moisture content of ore is higher, is easily caused thing Material cohesive force increases and forms arcuation scaffold, and its result makes the dischargeable capacity of ore storage bin reduce, and does not has the work regulating into ore dressing amount With.For above-mentioned present situation, the method for the dredging ore storage bin that domestic mine generally uses is: artificial at ore storage bin feed opening, hand-held iron rod Disclose material, beat bulkhead with iron hammer and produce vibration, or impact at ore storage bin feed opening with giant, postpone ore storage bin with this and block up Plug;When blocking extremely serious, needing to stop production and clear up in being manually entered storehouse, this work is extremely dangerous, Shi You Human casualty accident occurs.
For solving feed bin feed blocking, scaffold problem, it is anti-arch broken that Chinese patent CN00113779.4 discloses a kind of feed bin Arch device, is mainly made up of bin wall, broken arch frame, supporting, and broken arch frame and is against material by supporting location and installation inside bin wall On bulkhead and make alternating translational under external force to slide, produce with bin wall and mutually slide, thus will be attached in bin wall Material on side squeezes and cuts, cuts and remove down.This device be suitable for few in feed bin charge, raw meal particle size is little and proportion is less, hardness Using in the case of little, for the ore storage storehouse of mine concentration, ore fragmentation is big, storage ore deposit amount is big and ore ratio is great, hard Degree is big, uses this device easily to damage because of the reason such as movement, abrasion.
Chinese patent ZL 2,009 2 0187426.7 discloses that " blocking scaffold removed by the pneumatic formula reinforced concrete ore storage bin of breaking up Equipment ", the patent proposes a kind of method utilizing Pneumatic auxiliary stream and glues, to solve ore storage bin, the problem that wall blocks, and its principle is to pass through Help flow nozzle to be blown into inside ore storage bin by the compressed air of compressor station, make between material, between material and ore storage bin, form instantaneous gas Pad, thus abolishes the viscous group between material, eliminates with this or reduces material with the frictional force between ore storage bin, and this can make material be subject to Self gravitation effect is glided, and eliminates material and glues wall and blocking.The flow nozzle that helps of this system remains techniques below problem:
(1) it is undesirable to bring down stocks effect, and especially in inside wall of ore bin, viscous ore deposit is more serious;
(2) helping the head (stretching into the part of ore storage bin) of flow nozzle by the long-term extruding of material, abrasion is more serious, the average longevity Life is only about 1 year;
(3) installation difficulty, Pipe installing deviation is relatively big, does not has compensation of pipeline;
(4) dismounting difficulty, after system disposably installs shaping, the maintaining in later stage is more difficult, especially helps stream spray The work of removing contamination of mouth internal pipeline.
Content of the invention
It is an object of the invention to the moisture content height for material in the ore storage bin of ore dressing plant, granularity is uneven, surface texture difference is big The ore storage bin causing etc. factor glues wall blocking, causes the problems such as the material in ore storage bin can not successfully flow out outside storehouse, and specialized designs A kind of help flow nozzle for eliminate ore storage bin blocking, in order to solving a difficult problem for feed blocking in ore storage bin, have simultaneously installation, Overhaul convenient feature, ensure the unimpeded of beneficiation flowsheet with this.
For realizing the above-mentioned purpose of the present invention, the present invention a kind of for eliminate ore storage bin blocking help flow nozzle use below Technical scheme realizes:
The present invention a kind of for eliminate ore storage bin blocking help flow nozzle, be by admission line device of calming the anger, pipeline break-in Device, injection apparatus are linked in sequence composition.Described injection apparatus is made up of cross transition steel pipe, injection elbow welding, injection Elbow extend into ore storage bin, and this is internal, and cross transition steel pipe is by being fixed on ore storage bin body with ore storage bin body fixing device.It is also Containing dismounting sewage disposal apparatus, described dismounting sewage disposal apparatus contains smashs bar to pieces, smashs bar to pieces and is arranged on the end of cross transition steel pipe And it is inserted into cross transition steel pipe, the inside of injection elbow;Described calm the anger admission line device by horizontal air inlet steel pipe, can be bent Torsion rubber joint, laterally exhaust steel pipe are linked in sequence to fix by inlet duct flange and constitute, described bending rubber joint Inside be spherical cavity;The horizontal air inlet steel-pipe welding of described admission line device of calming the anger is along ore storage bin body four sides ring Help on stream main pipeline around arrange, thus introduce compressed air and enter inside ore storage bin, be provided with regulation air-flow helping on stream main pipeline The Pneumatic electrical control butterfly valve of pressure, compressed-air actuated rated pressure is maintained at 0.7-1.0MPa scope, is excellent with 0.8-0.9MPa.
For increasing the wearability of injection apparatus head further, the injection elbow of described injection apparatus is by 45 ° of punching presses Elbow cutting forms, major radius series, plays the effect that pipeline turns to, and material is steel alloy, after surface carries out blasting treatment, then It is coated with one layer of tungsten carbide, finally spray one layer of antirust paint.
Described pipeline deviator, for turning to elbow, turns to elbow to be 90 ° of punched bends;The spray of described injection apparatus Penetrate the jet-impingement direction of elbow and inside wall of ore bin keeping parallelism, can along the inwall on ore storage bin inclined-plane upward, be alternately arranged down, Compressed air so can be made to be pressed on the inner surface on ore storage bin inclined-plane, make to be formed between material and ore storage bin inner surface instantaneous between Gap, thus elimination or reduction material are with the frictional force between bulkhead, this can make material glide along bulkhead, eliminates material and glues wall And blocking..
Described with ore storage bin body fixing device by fixing device bolt, fixing device nut, fixing device elastic washer, Fixing device plain washer, rubber sheet gasket, fixing device flange, sleeve pipe composition, fixing device flange is connected with sleeve pipe fixing and overlaps On cross transition steel pipe, sleeve pipe welds with ore storage bin body.
When ore storage bin hinder clearly system put into operation the time longer when, because of help flow nozzle towards (some Pneumatic auxiliary flow nozzle cloth Put and upwards spray along inside wall of ore bin), partial material entrance of flowing backwards helps inside flow nozzle, and the big material of granularity can amass to get lodged in and help stream In the pipeline of nozzle, especially can amass to get lodged in cross transition steel pipe is difficult to injected going out, can cause when serious and help flow nozzle work( Can lose efficacy, now manually the material in flow nozzle pipeline can be helped to smash discharge to pieces long-pending getting lodged in by dismounting sewage disposal apparatus.
A kind of flow nozzle that helps for eliminating ore storage bin blocking of the present invention can carry out overall processing as parts, batch The flow nozzle that helps that amount processes can be directly installed in the hole held successfully in advance on ore storage bin outer wall, then enters sleeve pipe with ore storage bin body Row is welded and fixed, and finally with being attached to helping of ore storage bin surrounding, the horizontal air inlet steel pipe of admission line device of calming the anger is flowed main pipeline pair Touch, weld.This mounting means has simplicity, efficient feature.
The present invention a kind of for eliminate ore storage bin blocking help flow nozzle to use above technical scheme after, have following actively Effect:
(1) the technical solution used in the present invention is to utilize the method for Pneumatic auxiliary stream to make compressed air pass through one for eliminating The flow nozzle that helps of ore storage bin blocking is pressed on the inner surface on ore storage bin inclined-plane, makes to be formed between material and ore storage bin inner surface instantaneous Gap, thus elimination or reduction material are with the frictional force between bulkhead, can efficiently solve material and glue wall and a blocking difficult problem, from And improve the production capacity in ore dressing plant.
(2) present invention carries out monoblock type installation as parts, has the advantages such as installation, dismounting, easy maintenance.
(3) present invention employs bending rubber joint, there is flexible pressure-bearing, can compensate for the spies such as Pipe installing deviation Point, reduces the difficulty in installation process.
(4) present invention distinctive help flow nozzle dismounting sewage disposal apparatus be its pipeline amass stifled cleaning provide convenient, permissible Ensure compressed air successfully from help flow nozzle spray.
(5) present invention have simple in construction, be convenient to process and mount, the particular advantages such as dependable performance, length in service life, economical Remarkable benefit.
Brief description
Fig. 1 is that a kind of flow nozzle master that helps for eliminating ore storage bin blocking of the present invention regards cross-sectional schematic.
Fig. 2 is that a kind of flow nozzle master that helps for eliminating ore storage bin blocking of the present invention is put depending on the local of I in cross-sectional schematic Big figure.
Fig. 3 is that a kind of flow nozzle master that helps for eliminating ore storage bin blocking of the present invention is put depending on the local of II in cross-sectional schematic Big figure.
Fig. 4 is that a kind of flow nozzle master that helps for eliminating ore storage bin blocking of the present invention is put depending on the local of III in cross-sectional schematic Big figure.
Fig. 5 be the present invention a kind of for eliminate ore storage bin blocking help flow nozzle left view schematic diagram.
Reference is: 1-horizontal air inlet steel pipe, 2-inlet duct flange, 3-bending rubber joint, 4-inlet duct Bolt, 5-inlet duct nut, 6-inlet duct elastic washer, 7-inlet duct plain washer, 8-is laterally vented steel pipe, and 9-turns to Elbow, the longitudinal steel pipe of 10-, 11-provision for disengagement bolt, 12-provision for disengagement nut, 13-provision for disengagement elastic washer, 14-dismantles Device plain washer, 15-sealing gasket, 16-disk cover plate, 17-smashs bar to pieces, 18-cross transition steel pipe, 19-fixing device bolt, 20-fixing device nut, 21-fixing device elastic washer, 22-fixing device plain washer, 23-rubber sheet gasket, 24-fixing device Flange, 25-sleeve pipe, 26-sprays elbow.
Detailed description of the invention
For further describing the present invention, to the present invention, a kind of stream that helps for eliminating ore storage bin blocking sprays below in conjunction with the accompanying drawings Mouth is described in further detail.
A kind of flow nozzle master that helps for eliminating ore storage bin blocking of the present invention as shown in Figure 1 depending on cross-sectional schematic and combines Fig. 2, Fig. 3, Fig. 4, Fig. 5 find out, it is by admission line device of calming the anger, pipeline deviator, dismounting sewage disposal apparatus and ore storage bin originally Body fixing device, injection apparatus combination are constituted.Described admission line device of calming the anger is by horizontal air inlet steel pipe the 1st, flexible rubber Joint the 3rd, horizontal exhaust steel pipe 8 is linked in sequence to fix by inlet duct flange 2 and constitutes, described bending rubber joint 3 Internal for spherical cavity.Inlet duct flange 2 is two groups, by horizontal air inlet steel pipe the 1st, laterally exhaust steel pipe 8 respectively with two panels Inlet duct flange 2 welds together, and two groups of inlet duct flanges 2 are respectively by inlet duct bolt the 4th, inlet duct nut the 5th, Inlet duct elastic washer the 6th, inlet duct plain washer 7 is by horizontal air inlet steel pipe 1 and bending rubber joint the 3rd, flexible rubber Joint 3 is connected fixing with horizontal exhaust steel pipe 8.Laterally the length of exhaust steel pipe 8 can be fixed, the length of horizontal air inlet steel pipe 1 Need release part surplus, until with help stream main pipeline dock after weld together with it.
Described pipeline deviator, for turning to elbow 9, turns to elbow 9 to be 90 ° of punched bends, major radius series, plays pipe The effect that road turns to.Elbow the 9th, longitudinal steel pipe 10 is turned to directly to weld together with admission line device of calming the anger, longitudinal steel pipe 10 need mowing to go out the intersection being welded to each other with cross transition steel pipe 18.
The 18th, described injection apparatus is sprayed elbow 26 welding by cross transition steel pipe and constitutes, and injection elbow 26 extend into ore deposit Storehouse is originally internal, and cross transition steel pipe 18 is by being fixed on ore storage bin body with ore storage bin body fixing device.
Described is elastic by fixing device bolt the 19th, fixing device nut the 20th, fixing device with ore storage bin body fixing device Packing ring the 21st, fixing device plain washer the 22nd, rubber sheet gasket the 23rd, fixing device flange the 24th, sleeve pipe 25 forms, and cross transition steel pipe is the 18th, Sleeve pipe 25 is welded and fixed and is enclosed within cross transition steel pipe 18 with two panels fixing device flange 24 respectively, rear by four groups of fixing dresses Putting bolt 19 to fasten, disk cover plate 16 is welded on the end of cross transition steel pipe 18.
Described dismounting sewage disposal apparatus is by provision for disengagement bolt the 11st, provision for disengagement nut the 12nd, provision for disengagement elastic washer the 13rd, The 16th, provision for disengagement plain washer the 14th, sealing gasket the 15th, disk cover plate is smashed bar 17 to pieces and is formed, and smashs bar 17 and provision for disengagement bolt 11 to pieces Head weld, after by disk cover plate 16 by its from the inside of cross transition steel pipe 18 pass and extend into injection elbow 26 in Portion, is loaded on sealing gasket 15, finally loads onto fixing device nut the 20th, fixing device elastic washer the 21st, fixing device plain cushion successively Circle 22 fastening.
By an ends cutting of the injection elbow 26 of injection apparatus to concordant with the inner surface of sleeve pipe 25, with cross transition Carry out blasting treatment after steel pipe 18 welding to its surface, finally spray one layer of tungsten carbide and antirust paint.
Help flow nozzle to compensate and help the Pipe installing deviation flowing when main pipeline docks, special in the structure helping flow nozzle Have employed bending rubber joint 3, can deviation in effective compensation Pipe installing, reduce installation difficulty.
After ore storage bin outer wall perforate, by sleeve pipe 25 and its welding of fitting, it is ensured that help airflow direction and the ore storage bin of flow nozzle Inwall keeping parallelism, to reach best jeting effect.
The effect of sealing gasket 15 is to prevent compressed air from revealing from disk cover plate 16, and provision for disengagement nut 12 rises after compressing To the effect sealing.
Help the air-flow break-make of flow nozzle by the Pneumatic electrical control butterfly valve control helping on stream main pipeline.
Can periodically unclamp the provision for disengagement nut 12 grade connector of mashing device, rock provision for disengagement bolt 11 and carry out helping stream The clear dirty process of nozzle interior.
The invention belongs to pressure air conveying device, steel pipe used is all seamless steel pipe.
The present invention in actual use, extend into ore storage bin hinder clearly system with helping the inside of flow nozzle by smashing bar 17 to pieces, smash to pieces One end of bar 17 is welded and fixed with provision for disengagement bolt 11, can rock provision for disengagement bolt by dismounting provision for disengagement nut 12 11 drive and smash bar 17 to pieces and hinder clearly system with helping flow nozzle internal agitation at ore storage bin, or by dismantling on provision for disengagement bolt 11 Provision for disengagement nut the 12nd, provision for disengagement elastic washer the 13rd, provision for disengagement plain washer the 14th, sealing gasket 15 and disk cover plate 16, will tear open Handler bolt 11 and smash bar 17 monoblock type to pieces and take out.
The present invention a kind of for eliminate ore storage bin blocking help flow nozzle can according to ore storage bin size along ore storage bin inclined-plane surrounding by Layer is arranged, every layer help flow nozzle quantity can according to ore storage bin actual depending on, being advisable with 1.5m in the interval of every layer, arranges and help flow nozzle Injection direction when along the inwall on ore storage bin inclined-plane upward, be alternately arranged down can hinder clearly effect to reach best ore storage bin.

Claims (4)

1. for eliminate ore storage bin blocking help a flow nozzle, be by admission line device of calming the anger, pipeline deviator, injection Device sequence connects and composes;It is characterized in that: described injection apparatus is by cross transition steel pipe (18), injection elbow (26) welding Constituting, injection elbow (26) extend into ore storage bin, and this is internal, and cross transition steel pipe (18) is by fixing with ore storage bin body fixing device On ore storage bin body;It is possibly together with dismounting sewage disposal apparatus, and described dismounting sewage disposal apparatus contains smashs bar (17) to pieces, smashs bar (17) to pieces It is arranged on the end of cross transition steel pipe (18) and be inserted into cross transition steel pipe (18), the inside of injection elbow (26);Described Calm the anger admission line device by horizontal air inlet steel pipe (1), bending rubber joint (3), laterally be vented steel pipe (8) pass through air inlet Device flange (2) is linked in sequence to fix and constitutes, and the inside of described bending rubber joint (3) is spherical cavity;Described The horizontal air inlet steel pipe (1) of admission line device calmed the anger is welded on helps on stream main pipeline along ore storage bin body four sides around arrange, Thus introduce compressed air to enter inside ore storage bin, help the Pneumatic electrical control butterfly valve being provided with regulation stream pressure on stream main pipeline, pressure The rated pressure of contracting air is maintained at 0.7-1.0MPa scope.
2. as claimed in claim 1 a kind of for eliminate ore storage bin blocking help flow nozzle, it is characterised in that: described injection It after injection elbow (26) surface of device carries out blasting treatment, then is coated with one layer of tungsten carbide, finally spray one layer of antirust paint.
3. as claimed in claim 1 or 2 a kind of for eliminate ore storage bin blocking help flow nozzle, it is characterised in that: described Pipeline deviator, for turning to elbow (9), turns to elbow (9) to be 90 ° of punched bends;The injection elbow of described injection apparatus (26) jet-impingement direction and inside wall of ore bin keeping parallelism.
4. as claimed in claim 3 a kind of for eliminate ore storage bin blocking help flow nozzle, it is characterised in that: described and ore deposit Storehouse body fixing device is by fixing device bolt (19), fixing device nut (20), fixing device elastic washer (21), fixing dress Horizontalization packing ring (22), rubber sheet gasket (23), fixing device flange (24), sleeve pipe (25) composition, fixing device flange (24) and set Pipe (25) connects fixing and is enclosed within cross transition steel pipe (18), and sleeve pipe (25) welds with ore storage bin body.
CN201510009786.8A 2015-01-09 2015-01-09 A kind of for eliminate ore storage bin block help flow nozzle Active CN104590783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510009786.8A CN104590783B (en) 2015-01-09 2015-01-09 A kind of for eliminate ore storage bin block help flow nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510009786.8A CN104590783B (en) 2015-01-09 2015-01-09 A kind of for eliminate ore storage bin block help flow nozzle

Publications (2)

Publication Number Publication Date
CN104590783A CN104590783A (en) 2015-05-06
CN104590783B true CN104590783B (en) 2016-10-05

Family

ID=53116921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510009786.8A Active CN104590783B (en) 2015-01-09 2015-01-09 A kind of for eliminate ore storage bin block help flow nozzle

Country Status (1)

Country Link
CN (1) CN104590783B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111715372B (en) * 2020-06-24 2022-01-25 安徽森瑞科机电设备有限公司 Clear storehouse equipment of integration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1595760A1 (en) * 1988-10-18 1990-09-30 Всесоюзный научно-исследовательский и проектно-конструкторский угольный институт "КНИУИ" Arrangement for pneumatic breaking of material in hoppers
CN201901362U (en) * 2010-10-29 2011-07-20 中国重汽集团柳州运力专用汽车有限公司 Powder material transportation tank
CN202481602U (en) * 2012-02-18 2012-10-10 中钢集团马鞍山矿山研究院有限公司 Equipment for clearing away blocked bridging of ore storage bin
CN202864128U (en) * 2012-09-11 2013-04-10 安徽宁国奥特机械有限公司 Air cannon
CN203517856U (en) * 2013-11-08 2014-04-02 长兴新城环保有限公司 Coal bin

Also Published As

Publication number Publication date
CN104590783A (en) 2015-05-06

Similar Documents

Publication Publication Date Title
CN201245373Y (en) Flexible vibration block-resistant coal conduit
CN104590783B (en) A kind of for eliminate ore storage bin block help flow nozzle
CN201605036U (en) Fluidized air supply device for ash transportation system
CN102275698B (en) Bunker wall vibration air hammer
CN202846372U (en) Efficient environment-friendly abrator
CN201136668Y (en) Anti-blocking and flow-aided bin for bulky materials
CN104552023B (en) A kind of elongated steel pipeline inwall numerical control shot-peening automated system
CN203130106U (en) Mining plunger pump type wet spraying machine
CN103770012A (en) High-efficiency environmentally-friendly shot-blasting machine and shot-blasting method using the same
CN204507819U (en) Ore storage bin hinders clearly system with helping flow nozzle
CN102536313A (en) Gangue filling pneumatic conveying system
CN201454313U (en) Dustproof ash discharging device
CN111284923A (en) Rectangular flat-bottom feeding bin with intelligent anti-blocking and blockage clearing functions
CN204127568U (en) A kind of wet shotcreting machine delivery pipe expansion cracking proof safety protection device
CN208455017U (en) A kind of strip brush steel adhesion on oxygen lance cleaning tool
CN203155672U (en) Dust zero discharge concentrated treatment device for concrete mixing plant
CN206439549U (en) A kind of wear-resisting bracing means of elbow
CN207047656U (en) A kind of asphalt heat recycling charging device
CN201932711U (en) Concentrated dust collection device with automatic recovery
CN202561283U (en) Wear-resisting ceramics composited tube
CN207312515U (en) A kind of non-contact type belt cleaning device
CN205225949U (en) Clean bellows chamber of small -size pressure wind
CN206375943U (en) It is a kind of to be used to prevent the device of dust accumulation in converter dry dedusting gas piping
CN101898692B (en) Environmental-friendly dust suppression dump vehicle
CN203473725U (en) Wear-resistant lap-joint articulated chute

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666

Patentee after: MAANSHAN Mine Research Institute Co.,Ltd.

Address before: 243000 No. 666, Xitang Road, Ma'anshan economic and Technological Development Zone, Anhui, China

Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd.

CP03 Change of name, title or address